| Age specific | ||||||
|---|---|---|---|---|---|---|
| Age (years) | Lifelong nonsmokers | Current smokers | Relative risk | Rate difference * | ||
| Number of deaths | Death rate * | Number of deaths | Death rate * | |||
| 35-39 | 73 | 100.1 | 67 | 111.4 | 1.1 | 11.3 |
| 40-44 | 230 | 150.7 | 230 | 199.2 | 1.3 | 48.5 |
| 45-49 | 638 | 211.4 | 600 | 291.6 | 1.4 | 80.2 |
| 50-54 | 1,247 | 320.9 | 932 | 442.0 | 1.4 | 121.1 |
| 55-59 | 1,696 | 454.2 | 906 | 673.1 | 1.5 | 218.9 |
| 60-64 | 2,371 | 749.5 | 756 | 1,076.6 | 1.4 | 327.1 |
| 65-69 | 3,140 | 1,234.7 | 545 | 1,545.4 | 1.3 | 310.7 |
| 70-74 | 3,700 | 2,101.1 | 425 | 2,739.9 | 1.3 | 638.8 |
| 75-79 | 3,933 | 3,925.1 | 241 | 4,162.7 | 1.1 | 237.6 |
| 80-84 | 3,406 | 7,031.6 | 147 | 8,802.4 | 1.3 | 1,770.8 |
| Total | 20,434 | 4,849 | ||||
| Age standardized to age distribution in 1980 U.S. population | ||||||
| Lifelong nonsmokers | Current smokers | |||||
| Death rate * | 927.6 | 1,166.0 | ||||
| 95% CI ** | 914.2-941.0 | 1,107.9-1,224.1 | ||||
| Relative risk | 1.0 | 1.3 | ||||
| 95% CI | NA | 1.2-1.3 | ||||
| Rate difference§ * | 0 | 238.4 | ||||
| 95% CI | NA | 178.8-298.1 | ||||
Note: Analyses restricted to women aged 35-84 years to maximize stability and validity of results.
Death rate and rate of difference, for all causes, per 100,000 person-years.
CI = Confidence interval.
NA = Not applicable. Sources: Thun et al. 1997a,c.
From: Chapter 3. Health Consequences of Tobacco Use Among Women
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